455403 has 8 divisors (see below), whose sum is σ = 653968. Its totient is φ = 280224.

The previous prime is 455401. The next prime is 455407. The reversal of 455403 is 304554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 455403 - 2¹ = 455401 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455403.

It is not an unprimeable number, because it can be changed into a prime (455401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (81746).

2⁴⁵⁵⁴⁰³ is an apocalyptic number.

455403 is a deficient number, since it is larger than the sum of its proper divisors (198565).

455403 is a wasteful number, since it uses less digits than its factorization.

455403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11693.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 455403 is about 674.8355355196. The cubic root of 455403 is about 76.9364179681.

Adding to 455403 its reverse (304554), we get a palindrome (759957).

It can be divided in two parts, 455 and 403, that added together give a palindrome (858).

The spelling of 455403 in words is "four hundred fifty-five thousand, four hundred three".